////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2009 Julien Etienne.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
////////////////////////////////////////////////////////////////////////////////
package org.siam.impl.data.formatting {
	
	import mx.formatters.Formatter;
	
	import org.siam.core.data.formatting.IFormatterRegistry;
	import org.siam.core.data.formatting.IFormattingManager;
	
	/**
	* 
	*
	**/
	public class FormattingManager implements IFormattingManager {

		private var _registry:IFormatterRegistry;

		public function FormattingManager() {
			_registry = new FormatterRegistry();
		}
		
		/**
		* 
		*
		**/
		public function format(value:Object, formatterId:String):String {
			var formatter:Formatter = findFormatter(formatterId);
			var formattedString:String = formatter.format(value);
			if (formatter.error) {
				formattedString = DefaultFormatter.INSTANCE.format(value);
			}
			return formattedString;
		}
		
		/**
		* 
		*/ 
		public function hasFormatter(id:String):Boolean {
			return _registry.has(id);
		}
		
		private function findFormatter(id:String):Formatter {
			return _registry.find(id);
		}
		
		internal function registerFormatter(id:String, formatter:Formatter):void {
			if (!hasFormatter(id)) {
				_registry.register(id, formatter);
			}
		}
	}
}